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The Koyorad racing radiator is made for 2001–2005 Lexus IS300 models with manual transmission. Offered as a performance‑oriented replacement, the racing radiator is intended to upgrade cooling capability compared with standard equipment and matches IS300 fitment. Its racing designation signals focus on higher thermal capacity and durability for track or modified street use while maintaining model‑specific compatibility.
Koyo 01-05 Lexus IS300 (w/ Manual Transmission) Racing Radiator
